diff --git a/openpype/hosts/traypublisher/plugins/publish/collect_simple_instances.py b/openpype/hosts/traypublisher/plugins/publish/collect_simple_instances.py
index 2fb6fcf3ce..1f473ff71c 100644
--- a/openpype/hosts/traypublisher/plugins/publish/collect_simple_instances.py
+++ b/openpype/hosts/traypublisher/plugins/publish/collect_simple_instances.py
@@ -45,7 +45,7 @@ class CollectSettingsSimpleInstances(pyblish.api.InstancePlugin):
             "files": filenames
         })
 
-        instance.data["source"] = filepaths
+        instance.data["source"] = "\n".join(filepaths)
 
         self.log.debug("Created Simple Settings instance {}".format(
             instance.data